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Unit 1 - Information Technology Systems > Topic 11 - File Type > Flashcards

Topic 11 - File Type Flashcards

1
Q

Why are different file types used?

A

Different file types are used to denote the form, or structure, of the data stored withiin the file

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2
Q

What does the file extension tell users?

A

The file extension tells the user what type of data the file should contain.
It also tells the operating system which icon to display and which software to use to open the file when the user double clicks the icon.

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3
Q

State the 4 large file types.

A

GIP
JPG
BMP
PNG

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4
Q

Benefit of a GIF
Drawback
What does GIF display?

A

Benefit
GIF = is a small file type size

Drawback
GIF = low quality due to limited number colours

GIF displays
GIF can display basic transparency and animations

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5
Q

Benefit of a JPG
Drawback

A

Benefit
LPG = good compression

Drawback
JPG = although compression is lossy so files cannot be decompressed

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6
Q

What is BPM?

A

BPM = an uncompressed file format
so image quaility is extremely high but file size is very large

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7
Q

What does PNG use?

A

PNG = uses lossless compression to save high-quality images in a low file size.
Also allows transparency

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8
Q

What are the 6 Application software file types?

A

DOC and RTF
PDF
XLS
ODF
PPT
MDB and ACCDB

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9
Q

What is DOC and RTF commonly used files for?

A

DOC and RTF are commonly used files formats for documents created using word processing software

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10
Q

What type of format is PDF?

A

PDF is a format that represents data independently of the originating software and/or hardware

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11
Q

Why is XLS a common format for and How are they created?

A

XLS = is a common format for files which are created using spreadsheet software

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12
Q

What is a ODF?

A

ODF = is an open source XML based format used to represent office files such as spreadsheets, word processing, etc.

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13
Q

What is a PPT?

A

PPT = is a common format for slideshows created using presentaion software

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14
Q

What are MDB and ACCDB?

A

MDB and ACCDB = is a common format type for database software.

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15
Q

What are the 4 Video file type?

A

AVI
MP4
MOV
MKV

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16
Q

What is a AVI?

A

AVI = Is uncompressed so it’s very high quality
but
very large file size
Not good for streaming

17
Q

What is MP4?

A

MP4 = supports high-quality video while still compresses file size.
Works on a wide variety of devices and software.

18
Q

What is MOV designed for?
What is the Benefits and Disavantage of MOV?

A

MOV = is designed for use with Apple QuickTime software
but
it can be played using other software.
it can provide high quality
but
can also be compressed
Good for streaming

19
Q

What and What not does MKV support?

A

MKV does support high-quailty video playbacks
MKV does not support some devices like - IPads they can’t play .mkv files

20
Q

What is a implication of file type?

A

Its the choice of file type or storage method of data has ongoing implications for individuals and organisations

21
Q

What 3 issues can occur with implication of file type?

A

Compatibility
Quality
File size

21
Q

What 3 issues can occur with implication of file type?

A

Compatibility
Quality
File size

22
Q

What is compatibility?

A

Some files types only work with certain software

22
Q

Why would compatibility be an issue?

A

May need to purchase new software.
sharing files with others who do not have the required software

23
Q

What is Quality?

A

Different images, video and audio file types provide varying levels of quality

24
Q

Why would Quality be an issue?

A

Choice will depend on intended use of the files
e.g - is high quality the priority or small file size?

25
Q

What is File Size?

A

The type of file size affects file size
some types are very efficient in the way they store data whereas others use lots of storage spaces

26
Q

Why would File Size be an issue?

A

File size may have implications for storing, transmitting or displaying files

Unit 1 - Information Technology Systems (39 decks)

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